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Rare cenoceras polygonum fossil nautilus – bajocian, jurassic, belgium – coa
Rare cenoceras polygonum fossil nautilus – bajocian, jurassic, belgium – coa - Image 2
Rare cenoceras polygonum fossil nautilus – bajocian, jurassic, belgium – coa - Image 3
Rare cenoceras polygonum fossil nautilus – bajocian, jurassic, belgium – coa - Image 4

Rare cenoceras polygonum fossil nautilus – bajocian, jurassic, belgium – coa

Original price was: £36.00.Current price is: £28.80.

This is a rare and well-preserved fossil of Cenoceras polygonum, a species of extinct nautiloid cephalopod from the Bajocian stage of the Middle Jurassic (~170 million years ago), discovered in Belgium.

Cenoceras is a genus of Jurassic nautiloids known for its smooth, coiled shell with visible growth lines and simple internal chamber structures. Unlike ammonites, nautiloids had simpler sutures and were active swimmers, capable of controlling their buoyancy efficiently.

This specimen originates from Jurassic marine deposits in Belgium, a region rich in fossil cephalopods. The excellent preservation of the shell structure makes this a significant piece for collectors and researchers alike.

Geological Information:

  • Species: Cenoceras polygonum
  • Stage: Bajocian, Middle Jurassic (~170 million years ago)
  • Location: Belgium
  • Depositional Environment: Warm, shallow marine seabed

Fossil Characteristics:

  • Rare and well-defined Jurassic nautiloid
  • Coiled shell with visible growth lines
  • Preserved chambered structure typical of nautiloids
  • Smooth, streamlined shell design

Key Features:

  • Authentic fossil from Belgium (Middle Jurassic, Bajocian)
  • Exceptional detail and natural preservation
  • Perfect for fossil collectors, researchers, and museum displays
  • From the renowned Alice Purnell Collection
  • 100% genuine specimen with Certificate of Authenticity

Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.

All fossils are securely packaged for worldwide shipping.

(Actual as seen)

Only 1 left in stock

SKU: AF0587 Category:

Description

This is a rare and well-preserved fossil of Cenoceras polygonum, a species of extinct nautiloid cephalopod from the Bajocian stage of the Middle Jurassic (~170 million years ago), discovered in Belgium.

Cenoceras is a genus of Jurassic nautiloids known for its smooth, coiled shell with visible growth lines and simple internal chamber structures. Unlike ammonites, nautiloids had simpler sutures and were active swimmers, capable of controlling their buoyancy efficiently.

This specimen originates from Jurassic marine deposits in Belgium, a region rich in fossil cephalopods. The excellent preservation of the shell structure makes this a significant piece for collectors and researchers alike.

Geological Information:

  • Species: Cenoceras polygonum
  • Stage: Bajocian, Middle Jurassic (~170 million years ago)
  • Location: Belgium
  • Depositional Environment: Warm, shallow marine seabed

Fossil Characteristics:

  • Rare and well-defined Jurassic nautiloid
  • Coiled shell with visible growth lines
  • Preserved chambered structure typical of nautiloids
  • Smooth, streamlined shell design

Key Features:

  • Authentic fossil from Belgium (Middle Jurassic, Bajocian)
  • Exceptional detail and natural preservation
  • Perfect for fossil collectors, researchers, and museum displays
  • From the renowned Alice Purnell Collection
  • 100% genuine specimen with Certificate of Authenticity

Scale Rule / Cube = 1cm – Please refer to the photos for accurate sizing.

All fossils are securely packaged for worldwide shipping.

Additional information

Weight 0.1 g
Dimensions 10 × 10 × 10 cm
Era

Jurassic

Jurassic Information

The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.

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